diff --git a/.github/workflows/experiment.yml b/.github/workflows/experiment.yml
index 6b21ae9e1..3bf1f5292 100644
--- a/.github/workflows/experiment.yml
+++ b/.github/workflows/experiment.yml
@@ -9,6 +9,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - run: | 
-          echo "${{github.event.workflow_run}}"
-          echo "${{github.event.workflow_run.pull_requests}}"
-          echo "${{github.event.workflow_run.pull_requests[0]}}"
+          echo "${{toJSON(github.event.workflow_run)}}"
+          echo "${{toJSON(github.event.workflow_run.pull_requests)}}"
+          echo "${{toJSON(github.event.workflow_run.pull_requests[0])}}"